a-a a-b aaa aab aah aan aas aay ab- aba abb abh abn abs aby aha ahb ahh ahn ahs ahy an- ana anb anh ann ans any as- asa asb ash asn ass asy ay- aya ayh ayn ays baa bab bah ban bas bay bba bbb bbh bbn bbs bby bha bhb bhh bhs bna bnb bnn bns bsa bsb bsh bsn bss bsy by- bya byh byn bys haa hab hah han has hay hba hbb hbh hbn hbs hby hha hhb hhh hhn hhs hhy hna hnb hnh hnn hns hny hsa hsb hsh hsn hss hsy hy- hya hyb hyh hyn hys hyy naa nab nah nan nas nay nba nbb nbn nbs nha nhb nhh nhn nhs nhy nna nnb nnh nnn nns nsa nsb nsh nsn nss nsy nya nyn nys nyy saa sab sah san sas say sba sbb sbh sbn sbs sby sh- sha shb shh shn shs shy sna snb snn sns sny ss- ssa ssb ssh ssn sss sy- sya syb syh syn sys yaa yab yah yan yas yay ybs yby yha yhs yna ynn yns yny ysa ysb yss ysy yyb yys yyy